Diazo compounds obtained by coupling acetoacetanilides with tetr

Details Diazo compounds obtained by coupling acetoacetanilides with tetr Diazo compounds obtained by coupling acetoacetanilides with tetr

1979-04-27

1981-05-26

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

106 23, 106288Q, 260160, 564168, 564200, C09B 3530, C09B 3532, C09D 1102, C09D 1700

Patent

active

042697697

ABSTRACT:
Yellow pigments having a greenish hue are represented by the formula: ##STR1## wherein X.sub.1 and X.sub.2 may be the same or different from one another and each is hydrogen, halogen (chlorine, fluorine or bromine), lower alkyl or alkoxy having from 1 to 3 carbon atoms; and wherein R.sub.1 and R.sub.2 may be the same or different from one another and each is the residue from an acyl-acetyl-amino-aromatic coupling agent or the residue from a pyrazolone coupling agent. Pigments are obtained by coupling of (1) an aceto-acetyl-amino-aromatic compound or (2) of a pyrazoline, with a 4,4'-diamino-benzanilide. The yellow pigments have the characteristic of having a high tintorial yield, a high degree of purity of tone (brightness), a good fastness to light, and good resistance to organic solvents. These pigments are particularly useful in the polychrome graphic industry.

REFERENCES:
patent: 1560949 (1935-11-01), Stusser
patent: 1851097 (1932-03-01), Hentrich et al.
patent: 1878471 (1932-09-01), Dobmaier
patent: 2172712 (1939-09-01), Roos
patent: 2200414 (1940-05-01), Cliffe
patent: 2216229 (1940-10-01), Cliffe
patent: 2236618 (1941-04-01), Cliffe
patent: 2283667 (1942-05-01), Cliffe
patent: 2571990 (1951-10-01), Stratton
patent: 2741657 (1956-04-01), Schmid et al.
patent: 2936305 (1960-05-01), Forter et al.

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